package old.day02;

public class DataTypeDemo {
    public static void main(String[] args) {




        /*
        int a=50;
        long b=a;
        long c=20;
        long d=25l;
        int e=(int)d;
        long f= 30;
        int g=(int)f;
        double h=5.20;
        int j=(int) h;
        System.out.println(j);
        double l=40;
        System.out.println(l);
        System.out.println('2');
        System.out.println('2'+'2');

         */

























      /*
       char c=33;
       char c1='\'';
       char c2='\\';
       char c3=38;
       System.out.println(c3);
       System.out.println(c2);
       System.out.println(c1);
       System.out.println(c);

       */




























/*
     boolean a=true;
     boolean b=false;
     boolean qiaoxingyu=false;
     boolean kongyun=true;
     System.out.println(qiaoxingyu);
*/




















        /*
      double a=2.0,b=1.1;
        System.out.println(a-b);
        double c=3.1415926,d=3.0520131;
        System.out.println(c-d);
        */





























       /*
        long age=22L;
        long a =10000000L;
        long b=1000000L*2*10;
        System.out.println(age);
        System.out.println(a);
        System.out.println(b);
        long c=5201314L*234*3;
        System.out.println(c);
        */
    }
}
